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android_kernel_motorola_sm6375/drivers/cpufreq
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Filename Latest commit message Latest commit date
Xiongfeng Wang 006edd736d cpufreq: Fix get_cpu_device() failure in add_cpu_dev_symlink() 
commit 2c1b5a84669d2477d8fffe9136e86a2cff591729 upstream.

When I hot added a CPU, I found 'cpufreq' directory was not created
below /sys/devices/system/cpu/cpuX/.

It is because get_cpu_device() failed in add_cpu_dev_symlink().

cpufreq_add_dev() is the .add_dev callback of a CPU subsys interface.
It will be called when the CPU device registered into the system.
The call chain is as follows:

  register_cpu()
  ->device_register()
   ->device_add()
    ->bus_probe_device()
     ->cpufreq_add_dev()

But only after the CPU device has been registered, we can get the
CPU device by get_cpu_device(), otherwise it will return NULL.

Since we already have the CPU device in cpufreq_add_dev(), pass
it to add_cpu_dev_symlink().

I noticed that the 'kobj' of the CPU device has been added into
the system before cpufreq_add_dev().

Fixes: 2f0ba790df ("cpufreq: Fix creation of symbolic links to policy directories")
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-08 09:01:11 +01:00
..
acpi-cpufreq.c acpi-cpufreq: Honor _PSD table setting on new AMD CPUs 2020-11-05 11:43:25 +01:00
amd_freq_sensitivity.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
arm_big_little.c
arm_big_little.h
armada-8k-cpufreq.c cpufreq: ap806: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:51:19 +01:00
armada-37xx-cpufreq.c cpufreq: armada-37xx: forbid cpufreq for 1.2 GHz variant 2021-08-26 08:36:16 -04:00
bmips-cpufreq.c cpufreq: Make cpufreq_generic_init() return void 2019-07-16 10:20:11 +02:00
brcmstb-avs-cpufreq.c cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove() 2021-03-04 10:26:14 +01:00
cppc_cpufreq.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
cpufreq-dt-platdev.c cpufreq: blacklist Arm Vexpress platforms in cpufreq-dt-platdev 2021-03-30 14:35:21 +02:00
cpufreq-dt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq-dt.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq-nforce2.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
cpufreq.c cpufreq: Fix get_cpu_device() failure in add_cpu_dev_symlink() 2021-12-08 09:01:11 +01:00
cpufreq_conservative.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_governor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_governor.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_governor_attr_set.c cpufreq: schedutil: Destroy mutex before kobject_put() frees the memory 2021-10-06 15:42:30 +02:00
cpufreq_ondemand.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_ondemand.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_performance.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_powersave.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_stats.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpufreq_userspace.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
davinci-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
e_powersaver.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
elanfreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
freq_table.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
gx-suspmod.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
highbank-cpufreq.c cpufreq: highbank: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:51:19 +01:00
ia64-acpi-cpufreq.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
imx-cpufreq-dt.c cpufreq: imx-cpufreq-dt: Correct i.MX8MN's default speed grade value 2019-12-13 08:43:28 +01:00
imx6q-cpufreq.c cpufreq: imx6q: fix error handling 2020-04-17 10:50:03 +02:00
intel_pstate.c cpufreq: intel_pstate: Get per-CPU max freq via MSR_HWP_CAPABILITIES if available 2021-03-04 10:26:50 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Kconfig.arm cpufreq: ap806: fix cpufreq driver needs ap cpu clk 2020-08-19 08:16:18 +02:00
Kconfig.powerpc treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Kconfig.x86 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
kirkwood-cpufreq.c cpufreq: Make cpufreq_generic_init() return void 2019-07-16 10:20:11 +02:00
longhaul.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
longhaul.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
longrun.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
loongson1-cpufreq.c cpufreq: loongson1: Add missing MODULE_ALIAS 2020-12-30 11:51:20 +01:00
loongson2_cpufreq.c cpufreq: Make cpufreq_generic_init() return void 2019-07-16 10:20:11 +02:00
Makefile Merge branch 'cpufreq/qcom-updates' into cpufreq/arm/linux-next 2019-09-03 07:55:22 +05:30
maple-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
mediatek-cpufreq.c cpufreq: mediatek: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:51:19 +01:00
mvebu-cpufreq.c
omap-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
p4-clockmod.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pasemi-cpufreq.c cpufreq/pasemi: fix use-after-free in pas_cpufreq_cpu_init() 2019-07-23 09:49:10 +02:00
pcc-cpufreq.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
pmac32-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
pmac64-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
powernow-k6.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
powernow-k7.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
powernow-k7.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
powernow-k8.c cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get() 2021-01-17 14:05:35 +01:00
powernow-k8.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 347 2019-06-05 17:37:08 +02:00
powernv-cpufreq.c cpufreq: powernv: Fix init_chip_info initialization in numa=off 2021-09-22 12:26:37 +02:00
ppc_cbe_cpufreq.c cpufreq: powerpc_cbe: Switch to QoS requests for freq limits 2019-08-26 10:02:01 +02:00
ppc_cbe_cpufreq.h cpufreq: powerpc_cbe: Switch to QoS requests for freq limits 2019-08-26 10:02:01 +02:00
ppc_cbe_cpufreq_pervasive.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153 2019-05-30 11:26:32 -07:00
ppc_cbe_cpufreq_pmi.c cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
pxa2xx-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pxa3xx-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
qcom-cpufreq-hw.c cpufreq: qcom-hw: invoke frequency-invariance setter function 2019-08-22 11:31:04 +05:30
qcom-cpufreq-nvmem.c cpufreq: qcom: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:51:19 +01:00
qoriq-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
raspberrypi-cpufreq.c cpufreq: add driver for Raspberry Pi 2019-06-13 08:58:22 +05:30
s3c24xx-cpufreq-debugfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
s3c24xx-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
s3c64xx-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
s3c2410-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
s3c2412-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
s3c2416-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
s3c2440-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
s5pv210-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
sa1100-cpufreq.c cpufreq: Make cpufreq_generic_init() return void 2019-07-16 10:20:11 +02:00
sa1110-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
sc520_freq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
scmi-cpufreq.c
scpi-cpufreq.c cpufreq: scpi: Add missing MODULE_ALIAS 2020-12-30 11:51:20 +01:00
sfi-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 235 2019-06-19 17:09:07 +02:00
sh-cpufreq.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
sparc-us2e-cpufreq.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sparc-us3-cpufreq.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
spear-cpufreq.c cpufreq: Make cpufreq_generic_init() return void 2019-07-16 10:20:11 +02:00
speedstep-centrino.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
speedstep-ich.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
speedstep-lib.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
speedstep-lib.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
speedstep-smi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
sti-cpufreq.c cpufreq: st: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:51:19 +01:00
sun50i-cpufreq-nvmem.c cpufreq: sun50i: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:51:20 +01:00
tango-cpufreq.c
tegra20-cpufreq.c cpufreq: Make cpufreq_generic_init() return void 2019-07-16 10:20:11 +02:00
tegra124-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
tegra186-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
ti-cpufreq.c cpufreq: ti-cpufreq: Mark expected switch fall-through 2019-07-30 08:10:45 +05:30
unicore2-cpufreq.c cpufreq: Avoid creating excessively large stack frames 2020-02-11 04:35:25 -08:00
vexpress-spc-cpufreq.c